Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974georl...1..333h&link_type=abstract
Geophysical Research Letters, vol. 1, Dec. 1974, p. 333-336.
Astronomy and Astrophysics
Astronomy
7
Escape Velocity, High Energy Electrons, Jupiter Atmosphere, Planetary Magnetospheres, Plasma Acceleration, Relativistic Particles, Astronomical Models, Atmospheric Models, Centrifugal Force, Planetary Ionospheres, Planetary Rotation, Trapped Particles
Scientific paper
We adopt a model in which the Jovian magnetospheric tail is forced open by plasma that is accelerated out of the ionosphere by the centrifugal force of corotation. Any longitudinal asymmetry that exists in the ionospheric plasma source and/or the planetary magnetic field will cause a diurnal variation in the radial extent of the trapping region for energetic electrons. This diurnal variation in the extent of the particle trapping region can result in a time-dependent loss of relativistic electrons from the Jovian magnetosphere, modulated at the planetary rotation period. The diurnal trapping process may be relevant to the observation of electron pulses in interplanetary space during the Pioneer 10 approach to Jupiter.
Carbary James F.
Dessler A. J.
Hill Thomas W.
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